| Acronym | Meaning |
| RG | Rate Gyro |
| NFPA | NNFPANational Fire Protection Association |
| MOCR | Mission Operations Control Room |
| OSTA | Office Of Space And Terrestrial Application(s) |
| CTA | Computer Technology Associates (GSFC) |
| SVB | Shuttle Vehicle Booster |
| IPS | ISA Interim Stowage Assembly |
| TCP | Test Checkout Procedure |
| LESS | Leading Edge Structure Subsystem |
| PLS | Propellant Loading System |